package dem02;
import java.io.*;

public class two79 {
    public static void main(String[] args) throws  Exception{
        File file=new File("D:"+File.separator+"muyan"+File.separator+"vip"+File.separator+"dem02.txt");
        if(file.exists()){
            try(InputStream input=new FileInputStream(file)) {
                byte data[] = new byte[1024];
                int len = input.read(data);
                System.out.println("读取到的数据内容[" + new String(data, 0, len) + "]");
            }catch (Exception e){}
            }
        }
}
